Bern, Z., Dixon, L., Febres Cordero, F., Höche, S., Ita, H., Kosower, D., & Maître, D. (2014). Ntuples for NLO events at hadron colliders. Computer Physics Communications, 185(5), 1443-1460. https://doi.org/10.1016/j.cpc.2014.01.011